Word: paleobiologist
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...years before Archaeopteryx. Last week's announcement was based on two fragmentary fossil skeletons found in the arid badlands of western Texas in 1984 by Texas Tech University Paleontologist Sankar Chatterjee. They suggest that Protoavis was a contemporary of the earliest dinosaurs. "If the identification is correct," says Yale Paleobiologist John Ostrom, who has examined the crow-size remains, "it has to send us back to the drawing board...
Though scientists have established that the earth was born some 4.6 billion years ago, formed from debris orbiting the sun, they are less certain about when -and under what conditions-life began on the planet. Only last month, a Harvard University paleobiologist pushed back the dawn of life by announcing the finding of what appeared to be fossils of single-celled organisms dating back 3.5 billion years. Now biologists working under grants from NASA and the National Science Foundation have identified living creatures that may be little changed from organisms that lived during the first billion years of the earth...